package org.example.lotterysystem.dao.mapper;

import org.apache.ibatis.annotations.*;
import org.example.lotterysystem.dao.dataobject.ActivityUserDo;

import java.util.List;

@Mapper
public interface ActivityUserMapper {
    @Insert("<script>" +
            "insert into activity_user" +
            "(activity_id,user_id,user_name,status)" +
            "  values <foreach  collection = 'items' item = 'item' index = 'index' separator = ','>" +
            "(#{item.activityId},#{item.userId},#{item.userName},#{item.status})" +
            "</foreach>" +
            "</script>")
    @Options(useGeneratedKeys = true,keyProperty = "id",keyColumn = "id")
    int batchInsert(@Param("items") List<ActivityUserDo> activityUserDoList);

    @Select("select * from activity_user where activity_id = #{activityId}")
    List<ActivityUserDo> selectByActivityId(@Param("activityId") Long activityId);

    @Select("<script>" +
            " select * from activity_user where activity_id = #{activityId} " +
            " and user_id " +
            "in <foreach collection = 'items' item = 'item' open = '(' close = ')' separator = ','>" +
            "#{item}" +
            "</foreach>" +
            "</script>")
    List<ActivityUserDo> batchSelectByAUIds(@Param("activityId") Long activityId,
                                            @Param("items") List<Long> userIds);

    @Update("<script>" +
            " update activity_user set status = #{status} " +
            "where activity_id = #{activityId} " +
            " and user_id " +
            "in <foreach collection = 'items' item = 'item' open = '(' close = ')' separator = ','>" +
            "#{item}" +
            "</foreach>" +
            "</script>")
    void batchUpdateStatus(@Param("activityId")Long activityId,
                           @Param("items") List<Long> userIds,
                           @Param("status") String status);
}
